Diagram of a triangle PQR when QR is 14.5 <PQR=71 <QPR=57,find the lengthr of PR and PQ

Answer 1

the third angle R can easily be found to be 52°

then use the sine law.

I will one side, then you do the other.

PR/sin71 = 14.5/sin57°
PR = 14.5sin71/sin57 = appr. 16.3